<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="filters">
				<el-form-item>
					<el-input v-model="filters.keyword" placeholder="关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="search">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表-->
		<el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="sn" label="部门编号" width="120">
			</el-table-column>
			<el-table-column prop="name" label="部门名称" width="100">
			</el-table-column>
      <el-table-column prop="state" label="状态" width="100" sortable>
        <template scope="scope">
          <span style="color: green" v-if="scope.row.state === 1">开启</span>
          <span style="color: red" v-else-if="scope.row.state === 0">关闭</span>
          <span v-else>未知</span>
        </template>
      </el-table-column>
			<el-table-column prop="manager.username" label="部门经理" min-width="120">
			</el-table-column>
      <el-table-column prop="parent.name" label="上级部门" min-width="180">
      </el-table-column>
			<el-table-column label="操作" width="150">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger" size="small" v-perm="'department:delete'" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination layout="total, sizes, prev, pager, next"
                     @current-change="handleCurrentChange"
                     :current-page="currentPage"
                     :page-size="pageSize"
                     :total="total"
                     @size-change="handleSizeChange"
                     :page-sizes="[5, 10, 15, 30, 50]"
                     style="float:right;">
			</el-pagination>
		</el-col>

		<!--编辑界面-->
		<el-dialog :title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
			<el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
        <el-form-item label="部门编号" prop="sn">
          <el-input v-model="editForm.sn" auto-complete="off"></el-input>
        </el-form-item>
				<el-form-item label="部门名称" prop="name">
					<el-input v-model="editForm.name" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="是否启用">
					<el-radio-group v-model="editForm.state">
						<el-radio class="radio" :label=1 >启用</el-radio>
						<el-radio class="radio" :label=0 >禁用</el-radio>
					</el-radio-group>
				</el-form-item>
				<el-form-item label="部门经理">
          <el-select v-model="editForm.manager" value-key="id" placeholder="请选择">
            <!--
              :key：必须指定为你每条数据中的唯一字段
              :label：用户选择之后在下拉框中展示的值
              :value：用户选中值之后要提交时，使用那个字段提交
            -->
            <el-option
                v-for="item in cities"
                :key="item.id"
                :label="item.username"
                :value="item">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
            </el-option>
          </el-select>
				</el-form-item>
        <el-form-item label="上级部门">
          <!--
            el-cascader：级联选择器框
            options：级联的数据，指向模型层的options字段
          -->
          <el-cascader
              v-model="editForm.parent"
              :options="options"
              :props="{ checkStrictly: true, value:'id', label:'name' }"
              clearable></el-cascader>
        </el-form-item>

			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="editFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
			</div>
		</el-dialog>

	</section>
</template>

<script>
	import util from '../../common/js/util'
	//import NProgress from 'nprogress'
	import { getDepartmentListPage, removeDepartment, batchRemoveDepartment, editDepartment, addDepartment } from '../../api/api';

	export default {
		data() {
			return {
				filters: {
					keyword: ''
				},
        // 上级部门的级联集合数据
        options: [],
        departments: [],
				total: 0,
        currentPage:1,
				pageSize: 5,
				listLoading: false,
				sels: [],//列表选中列
        title:'',
				editFormVisible: false,//编辑界面是否显示
				editLoading: false,
				editFormRules: {
          name: [
						{ required: true, message: '请输入部门名称', trigger: 'blur' }
					],
          sn: [
            { required: true, message: '请输入部门编号', trigger: 'blur' }
          ]
				},
				//编辑界面数据
				editForm: {
					id: null,
					name: "",
					sn: "",
					state: 0,
					manager: {},
					parent: {},
				},
        cities: []
			}
		},
		methods: {
      search() {
        this.currentPage = 1;
        this.getDepartments();
      },
      getEmployee() {
        this.$http.get("/employee")
          .then(result => {
            this.cities = result.data;
          })
      },
      getDepartmentTree() {
        this.$http.get("/department/tree")
          .then(result => {
            this.options = result.data;
          })
      },
      handleCurrentChange(val) {
        this.currentPage = val;
        this.getDepartments();
      },
      handleSizeChange(val) {
        this.currentPage = 1;
        this.pageSize = val;
        this.getDepartments();
      },
			//获取用户列表
			getDepartments() {
				let para = {
          currentPage: this.currentPage,
					pageSize: this.pageSize,
          keyword: this.filters.keyword
				};
				this.listLoading = true;
				this.$http.post("/department", para)
          .then(result => {
            this.listLoading = false;
            this.departments = result.data.rows;
            this.total = result.data.total;
          }).catch(result => {
            this.$message({
              message: '系统繁忙，请重试!',
              type: 'error'
          })
        })
			},
			//删除
			handleDel: function (index, row) {
				this.$confirm('确认删除该记录吗?', '提示', {
					type: 'warning'
				}).then(() => {
					this.listLoading = false;
					//NProgress.start();
					let para = { id: row.id };
        this.$http.delete("/department/" + para.id)
          .then(result => {
            this.listLoading = false;
            if(result.data.success) {// 删除成功
              this.$message({
                message: result.data.msg,
                type: 'success'
              });
            } else {// 不一定删除成功，有可能后台程序执行删除方法之后，出现其他的异常，但是数据库数据是删除了
               this.$message({
                 message: result.data.msg,
                 type: 'error'
               });
            }
            // 改变当前页码
            this.currentPage = 1;
            // 重新展示页面
            this.getDepartments();
          })
          .catch(result => {
            this.$message({
              message: result.data.msg,
              type: 'error'
            });
          })
				}).catch(() => {

				});
			},
      handleAdd: function() {
        this.title = "新增";
        this.editFormVisible = true;
        this.editForm = {
          id: null,
          sn: "",
          name: "",
          state: 0,
          manager: {},
          parent: {}
        }
      },

			//显示编辑界面
			handleEdit: function (index, row) {
        this.title = "修改";
				this.editFormVisible = true;
				this.editForm = Object.assign({}, row);
        // 修改parent字段，
        let arr = this.editForm.dirPath.split("/");
        let echoArr = [];
        for (var i=1; i<arr.length - 1; i++) {
          echoArr.push(parseInt(arr[i]));
        }
        this.editForm.parent = echoArr;
			},

			// 提交
			editSubmit: function () {
				this.$refs.editForm.validate((valid) => {
					if (valid) {
						this.$confirm('确认提交吗？', '提示', {}).then(() => {
							this.editLoading = true;
							let para = Object.assign({}, this.editForm);
              // 获取上级部门数组中最后一个字段，封装到对象中
              para.parent = {id:para.parent[para.parent.length - 1]}
							this.$http.put("/department",para)
                .then(result => {
                    // 关闭忙等
                    this.editLoading = false;
                    // 关闭模态框
                    this.editFormVisible = false;
                    if (result.data.success) {
                      this.$message({
                        message: result.data.msg,
                        type: 'success'
                      });
                    } else {
                      this.$message({
                        message:result.data.msg,
                        type: 'error'
                      });
                    }
                    // 重新展示列表首页
                    this.currentPage = 1;
                    this.getDepartments();
                })
                .catch(result => {
                  this.editLoading = false;
                  this.$message({
                    message: '系统繁忙，请重试',
                    type: 'error'
                  });
                })
						});
					}
				});
			},
			selsChange: function (sels) {
				this.sels = sels;
			},
			//批量删除
			batchRemove: function () {
				var ids = this.sels.map(item => item.id);
				this.$confirm('确认删除选中记录吗？', '提示', {
					type: 'warning'
				}).then(() => {
					this.listLoading = true;
					//NProgress.start();
					let para = ids;
				  this.$http.patch("/department",para)
          .then(resulet => {
            this.listLoading = false;
            if(resulet.data.success) {
              this.$message({
                message: resulet.data.msg,
                type: 'success'
              })
            } else {
              this.$message({
                message: resulet.data.msg,
                type: 'error'
              })
            }
            this.currentPage = 1;
            this.getDepartments();
          })
          .catch(result => {

          })
				}).catch(() => {

				});
			}
		},
		mounted() {
			this.getDepartments();
      this.getEmployee();
      this.getDepartmentTree();
		}
	}

</script>

<style scoped>

</style>